Home / 786,049.60-1,179,074.40-576,097.60

Finding the Fourth Proportional to 786,049.60, 1,179,074.40 and 576,097.60

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Solution

The fourth proportional to 786,049.60, 1,179,074.40 and 576,097.60 is: 864,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,049.60 : 1,179,074.40 = 576,097.60 : x
  2. Step 2: Convert to fraction form
    786,049.60/1,179,074.40 = 576,097.60/x
  3. Step 3: Cross multiply
    786,049.60x = 1,179,074.40 × 576,097.60
  4. Step 4: Simplify right side
    786,049.60x = 679,261,932,061.44
  5. Step 5: Solve for x
    x = 679,261,932,061.44/786,049.60
  6. Step 6: Final answer
    x = 864,146.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.